121025124 has 48 divisors (see below), whose sum is σ = 342296640. Its totient is φ = 36673920.

The previous prime is 121025111. The next prime is 121025143. The reversal of 121025124 is 421520121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121025097 and 121025106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49749 + ... + 52124.

It is an arithmetic number, because the mean of its divisors is an integer number (7131180).

Almost surely, 2^121025124 is an apocalyptic number.

It is an amenable number.

121025124 is an abundant number, since it is smaller than the sum of its proper divisors (221271516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121025124 is a wasteful number, since it uses less digits than its factorization.

121025124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101897 (or 101889 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 121025124 is about 11001.1419407260. The cubic root of 121025124 is about 494.6429748762.

Adding to 121025124 its reverse (421520121), we get a palindrome (542545245).

The spelling of 121025124 in words is "one hundred twenty-one million, twenty-five thousand, one hundred twenty-four".